Did You Know...
...that it was melting ice cream that inspired the invention of the outboard motor? It was a lovely August day and Ole Evinrude was rowing his boat to his favorite island picnic spot. As he rowed, he watched his ice cream melt and wished he had a faster way to get to the island. At that moment the idea for the outboard motor was born!
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| Number | Title | Issue Date |
| 8151653 | Coriolis flowmeter A Coriolis flowmeter 10 vibrates a measurement tube through which a fluid subject to measurement flows, detects vibrations including Coriolis force developed in the fluid from the vibrations, and measures a mass flow rate of the fluid from a detection signal.... | 04/10/2012 |
| 8117921 | Multi-phase coriolis flowmeter A flowmeter is disclosed. The flowmeter includes a vibratable flowtube, and a driver connected to the flowtube that is operable to impart motion to the flowtube. A sensor is connected to the flowtube and is operable to sense the motion of the flowtube and generate a... | 02/21/2012 |
| 7966895 | In-line measuring device An in line measuring device, includes a measuring transducer of the vibration-type having: at least one measuring tube vibrating, at least at times, during operation, and serving for conveying, at least at times, a two- or multiphase, flowable medium; an exciter mec... | 06/28/2011 |
| 7954388 | In-line measuring device An inline measuring device, includes a measuring transducer having: at least one measuring tube vibrating, during operation, and serving for conveying, at least at times, a two- or multiphase, flowable medium; an exciter mechanism for producing vibrations of the mea... | 06/07/2011 |
| 7854176 | Method for determining the mass flow through a coriolis mass flowmeter To ascertain the mass-flow of a Coriolis mass-flow meter, an oscillation of a measuring tube is produced with the frequency f and the resulting oscillatory movement is registered at two different measuring points with two oscillation sensors. The analog sensor signa... | 12/21/2010 |
| 7784360 | Correcting for two-phase flow in a digital flowmeter A flowmeter is disclosed. The flowmeter includes a vibratable conduit, and a driver connected to the conduit that is operable to impart motion to the conduit. A sensor is connected to the conduit and is operable to sense the motion of the conduit and generate a sens... | 08/31/2010 |
| 7726203 | Multiphase Coriolis flowmeter A flowmeter is disclosed. The flowmeter includes a vibratable flowtube, and a driver connected to the flowtube that is operable to impart motion to the flowtube. A sensor is connected to the flowtube and is operable to sense the motion of the flowtube and generate a... | 06/01/2010 |
| 7698954 | Multi-phase Coriolis flowmeter A flowmeter is disclosed. The flowmeter includes a vibratable flowtube, and a driver connected to the flowtube that is operable to impart motion to the flowtube. A sensor is connected to the flowtube and is operable to sense the motion of the flowtube and generate a... | 04/20/2010 |
| 7647841 | Process for operation of a Coriolis mass flow rate measurement device A process for operating a Coriolis mass flow rate measurement device which has at least one measurement tube, the measurement tube being excited into vibrations with a predetermined excitation frequency and a predetermined excitation phase. The response phase which ... | 01/19/2010 |
| 7640813 | Process for operating a Coriolis mass flow rate measurement device A process for operating a Coriolis mass flow rate measurement device, with at least one measurement tube (10) through which a medium flows and which is subjected to vibration excitation that leads to resulting vibrations of the measurement tube (10), a... | 01/05/2010 |
| 7614312 | Multi-phase coriolis flowmeter A Coriolis flowmeter is configured to determine a first property of a multi-phase fluid. A flow model is configured to determine a second property of the multi-phase fluid. A determination system is configured to determine a third property of the multi-phase fluid b... | 11/10/2009 |
| 7597008 | Method and apparatus for determining flow pressure using density information A method and apparatus is disclosed that determines the density (602) of a material flowing through a Coriolis flow meter. The density is used to infer the pressure (608) of the flowing material. The inferred pressure may be used to correct for the sec... | 10/06/2009 |
| 7469600 | Measuring and operational circuit for a coriolis-mass flow meter comprising three measuring channels In a method for determining mass-flow with the aid of a Coriolis mass-flow meter in which mass-flow ({dot over (m)}) is won from the phase difference of two sensor signals X17, X18, three measuring channels K1, K2, K3 are provided ... | 12/30/2008 |
| 7440873 | Apparatus and method of processing data to improve the performance of a flow monitoring system An apparatus and method of processing flow meter data to filter out signal noise is provided. The method includes defining the flow meter data as a k-ω plane, wherein the k-ω plane includes a first k-plane quadrant separated from a second k-plane quadrant by a pre... | 10/21/2008 |
| 7421350 | Meter electronics and method for detecting a residual material in a flow meter assembly A meter electronics and method for detecting a residual material in a flow meter assembly are provided according to the invention. The meter electronics includes a processing system adapted to direct the flow meter to vibrate the flow meter assembly and receive a vi... | 09/02/2008 |
| 7404336 | Correcting for two-phase flow in a digital flowmeter A flowmeter is disclosed. The flowmeter includes a vibratable conduit, and a driver connected to the conduit that is operable to impart motion to the conduit. A sensor is connected to the conduit and is operable to sense the motion of the conduit and generate a sens... | 07/29/2008 |
| 7367240 | Apparatus and method for providing a flow measurement compensated for entrained gas A apparatus 10, 110 is provided that measures the speed of sound and/or vortical disturbances propagating in a fluid or mixture having entrained gas/air to determine the gas volume fraction of the flow 12 propagating through a pipes and compensating or... | 05/06/2008 |
| 7353695 | Methods and apparatus for determining properties of a fluid A method and system for determining properties of a fluid involves interacting the fluid with a standing wave in a first state to establish the standing wave in a second state, analyzing an electric signal associated with the standing wave to determine a characteris... | 04/08/2008 |
| 7347284 | Apparatus and method for hard rock sidewall coring of a borehole The present invention is directed to an apparatus and method for coring a borehole in a hard rock sidewall of a well bore in a subterranean formation for testing purposes. The apparatus includes a drive motor for operation down hole, a flexible drive shaft coupled t... | 03/25/2008 |
| 7340965 | Mass flowmeter of the Coriolis type A mass flowmeter of the Coriolis type with a tube that forms a mechanically closed loop through which a medium flows during operation, and with preferably electromagnetic, contactless excitation elements for causing the loop to rotate in an oscillatory mode about an... | 03/11/2008 |
| 7337676 | Device for measuring the mass rate of flow A mass flow rate measurement device which works according to the coriolis principle, and has two measurement tubes (1) and a vibration converter. It is provided that a carrier (2) is mounted on each of the measurement tubes (1) as a pair of carr... | 03/04/2008 |
| RE40095 | Correction of coriolis flowmeter measurements due to multiphase flows A Coriolis flowmeter is operable as a vibrating tube densitometer where a flowtube is driven to vibrate at a fundamental frequency from which density of the material flowing through the flowtube may be calculated. The drive gain is monitored as an indicator of multi... | 02/26/2008 |
| 7337084 | Switch-activated zero checking feature for a Coriolis flowmeter Descriptions are provided for implementing flowmeter zero checking techniques. In operating a flowmeter, it may be the case that, even if previously calibrated, the flowmeter will produce erroneous measurements, e.g., will indicate a non-zero flow during a period of... | 02/26/2008 |
| 7325461 | Measurement transducer of vibration-type The measurement transducer includes at least two oscillatably held transducer tubes vibrating, at least at times, during operation, of which at least one transducer tube serving to convey at least a volume portion of a medium to be measured, communicates with a pipe... | 02/05/2008 |
| 7321846 | Two-wire process control loop diagnostics A diagnostic device for coupling to a process control loop includes digital communication circuitry configured to receive a digital communication signal from the process control loop. The digital communication signal is a digitally modulated analog signal on the pro... | 01/22/2008 |
| 7318356 | Method for operating a mass flow meter A method for operating a mass flowmeter that employs the Coriolis principle and through which flows a medium, the flowmeter including a measuring tube through which passes a medium, which measuring tube is stimulated into oscillating and the resulting oscillatory re... | 01/15/2008 |
| 7313488 | Coriolis mode processing techniques Flowmeters are described in which a sensor signal received from a sensor that is attached to vibratable flowtube, so as to determine properties of a fluid within the flowtube, contains a drive signal component and a coriolis mode component. The flowmeters are operab... | 12/25/2007 |
| 7305892 | Method for operating a mass flowmeter A method is disclosed for operating a mass flowmeter that employs the Coriolis principle and that incorporates a measuring tube through which flows a fluid medium, which measuring tube is stimulated to oscillate in a predefined pattern, allowing the resulting oscill... | 12/11/2007 |
| 7302356 | Coriolis flowmeter A Coriolis flowmeter having an improved measurement accuracy, especially in measurement applications, where conventional Coriolis flowmeters may have a reduced accuracy due to erroneous flow spiking or outputs during no-flow situations is described, comprising: a me... | 11/27/2007 |
| 7299705 | Apparatus and method for augmenting a Coriolis meter A flow measuring system is provided that provides at least one of a compensated mass flow rate measurement and a compensated density measurement. The flow measuring system includes a gas volume fraction meter in combination with a coriolis meter. The GVF meter measu... | 11/27/2007 |
| 7296484 | In-line measuring device An inline measuring device includes a vibration-type measurement pickup having at least one measuring tube, which has a medium to be measured flowing through it during operation. The measuring tube is made by means of an exciter arrangement to execute, at least at t... | 11/20/2007 |
| 7293470 | Two-wire bus instrument A two-wire bus instrument (500) adapted for use with a two-wire bus (308) is provided according to an embodiment of the invention. An instrument element (304) receives a third current and generates one or more sensor measurement signals. A signa... | 11/13/2007 |
| 7290450 | Process diagnostics A diagnostic device for use in a industrial process includes monitoring electronics or diagnostic circuitry configured to diagnose or identify a condition or other occurrence in the industrial process. The system can be implemented in a process device such as a flow... | 11/06/2007 |
| 7289917 | Coriolis flow meter and method for flow measurement A Coriolis flow meter, which includes: at least one measuring tube, which is excited to oscillate during measurement operation, and through which a medium flows, first and second sensors for registering a flow-dependent oscillation of the measuring tube and for prod... | 10/30/2007 |
| 7286945 | Apparatus and method for identifying possible defect indicators for a valve A method, apparatus, and computer program are provided for identifying possible indicators of a defective valve. The method, apparatus, and computer program decompose a signal having a plurality of process variable measurements into a plurality of resolution levels.... | 10/23/2007 |
| 7284449 | In-line measuring device An inline measuring device includes a vibration-type measurement pickup having at least one measuring tube, which has a medium to be measured flowing through it during operation. The measuring tube is made by means of an exciter arrangement to execute, at least at t... | 10/23/2007 |
| 7284424 | Thermal air flow rate measuring apparatus and its flowmeter and internal combustion engine and thermal air flow rate measuring method using it A thermal air flow rate measuring apparatus of great precision wherein sensitivity is enhanced by sensors having different output characteristics and an operating device employing a digitized signal. The sensitivity and temperature can be corrected easily depending ... | 10/23/2007 |
| 7275448 | Magnetic circuit arrangement for a sensor A mount for electrical leads to a vibration-type sensor and/or for coils on a vibration-type sensor. The mount includes at least one resilient first arm attached to a first sensing tube of the sensor and at least one resilient arm attached to a second sensing tube o... | 10/02/2007 |
| 7275007 | Method for zero correction of a measuring device Method for zero correction of a measuring device, in particular a flowmeter, wherein a number of zero settings are carried out with the device and/or process in different states. In the case of each of these zero settings, a set of device and/or system parameters is... | 09/25/2007 |
| 7272512 | Flow sensor signal conversion A method of obtaining at least one representation of a characteristic function of a sensor from a test fluid during calibration of the sensor according to a sensor model having a transfer function operating on flow rate, at least one sensor property and at least one... | 09/18/2007 |
